Drop Python 3.7 support

Author: codingjoe

setup.cfg

@@ -19,7 +19,6 @@ classifier =
     License :: OSI Approved :: BSD License
     Operating System :: OS Independent
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
     Programming Language :: Python :: 3.10
@@ -42,7 +41,7 @@ keywords =
     task
 
 [options]
-python_requires = >=3.7
+python_requires = >=3.8
 include_package_data = True
 packages = joeflow
 install_requires =